<template>
  <view class="cart">
    <view class="cart-container" v-if="cart.length !== 0">
      <my-address></my-address>
      
      <view class="cart-title">
          <uni-icons type="shop" size="18"></uni-icons>
          <text class="cart-title-text">购物车</text>
      </view>
      <uni-swipe-action>
        <block v-for="(goods,i) in cart" :key="i">
          <uni-swipe-action-item :right-options="options" :auto-close="autoClose" @click="swipeItemClickHandler(goods)">
            <my-goods :goods="goods" @radio-change="radioChangeHandler" @num-change="numberChangeHandler" :showNum="true" :showRadio="true"></my-goods>
          </uni-swipe-action-item>
        </block>
      </uni-swipe-action>
      
      <my-settle></my-settle>
    </view>
    
    <view class="empty-cart" v-else>
      <image src="../../static/cart_empty@2x.png" class="empty-img"></image>
      <text class="tip-text">空空如也</text>
    </view>
  </view>
  
</template>
 
<script>
import badgeMix from '@/mixins/tabbar-badge.js'
import { mapState,mapMutations } from 'vuex'
  export default {
    mixins:[badgeMix],
    computed:{
      ...mapState('m_cart',['cart'])
    },
    data() {
      return {
        options:[{
          text:'删除',
          style:{
            backgroundColor:'#c00000'
          }
        }]
      };
    },
    methods:{
      ...mapMutations('m_cart',['updateGoodsState','updateGoodsCount','removeGoodsById']),
      radioChangeHandler(e){
        this.updateGoodsState(e)
      },
      numberChangeHandler(e){
       this.updateGoodsCount(e)
      },
      swipeItemClickHandler(goods){
        this.removeGoodsById(goods.goods_id)
      }
    }
  }
</script>
<style lang="scss">
  .cart-container{
    padding-bottom: 50px;
  }
  .cart-title{
    height: 40px;
    display: flex;
    align-items: center;
    padding-left: 5px;
    border-bottom: 1px solid #efefef;
    .cart-title-text{
      font-size: 14px;
      margin-left: 10px;
    }
  }
  .empty-cart{
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 150px;
    .empty-img{
      width: 90px;
      height: 90px;
    }
    .tip-text{
      font-size: 12px;
      color:gray;
      margin-top: 15px;
    }
  }
  
</style>
